code: def close_predict(self):
      self.estimator_spec = None
      self.features_real = None
      self.placeholder_feats = None
      self.predictions = None
      self.g = None
      if self.mon_sess is not None:
          self.mon_sess.close()
      self.mon_sess = None
  
file_path: finetune/finetune/util/indico_estimator.py
imports: import numpy
  import tensorflow
label_desc: Use image node_id 3 for calling the IndicoEstimator obj's underlying member method code with example usage: obj.close_predict() without return types